All ICD10 Codes
Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
All CodesBillable Only
Internal Codes
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  • S20.343A—

    External constriction of bilateral front wall of thorax, initial encounter

  • S20.343D—

    External constriction of bilateral front wall of thorax, subsequent encounter

  • S20.343S—

    External constriction of bilateral front wall of thorax, sequela

  • S20.344—

    External constriction of middle front wall of thorax

  • S20.344A—

    External constriction of middle front wall of thorax, initial encounter

  • S20.344D—

    External constriction of middle front wall of thorax, subsequent encounter

  • S20.344S—

    External constriction of middle front wall of thorax, sequela

  • S20.349—

    External constriction of unspecified front wall of thorax

  • S20.349A—

    External constriction of unspecified front wall of thorax, initial encounter

  • S20.349D—

    External constriction of unspecified front wall of thorax, subsequent encounter

  • S20.349S—

    External constriction of unspecified front wall of thorax, sequela

  • S20.351—

    Superficial foreign body of right front wall of thorax

  • S20.351A—

    Superficial foreign body of right front wall of thorax, initial encounter

  • S20.351D—

    Superficial foreign body of right front wall of thorax, subsequent encounter

  • S20.351S—

    Superficial foreign body of right front wall of thorax, sequela

  • S20.352—

    Superficial foreign body of left front wall of thorax

  • S20.352A—

    Superficial foreign body of left front wall of thorax, initial encounter

  • S20.352D—

    Superficial foreign body of left front wall of thorax, subsequent encounter

  • S20.352S—

    Superficial foreign body of left front wall of thorax, sequela

  • S20.353—

    Superficial foreign body of bilateral front wall of thorax

  • S20.353A—

    Superficial foreign body of bilateral front wall of thorax, initial encounter

  • S20.353D—

    Superficial foreign body of bilateral front wall of thorax, subsequent encounter

  • S20.353S—

    Superficial foreign body of bilateral front wall of thorax, sequela

  • S20.354—

    Superficial foreign body of middle front wall of thorax

  • S20.354A—

    Superficial foreign body of middle front wall of thorax, initial encounter

  • S20.354D—

    Superficial foreign body of middle front wall of thorax, subsequent encounter

  • S20.354S—

    Superficial foreign body of middle front wall of thorax, sequela

  • S20.359—

    Superficial foreign body of unspecified front wall of thorax

  • S20.359A—

    Superficial foreign body of unspecified front wall of thorax, initial encounter

  • S20.359D—

    Superficial foreign body of unspecified front wall of thorax, subsequent encounter

  • S20.359S—

    Superficial foreign body of unspecified front wall of thorax, sequela

  • S20.361—

    Insect bite (nonvenomous) of right front wall of thorax

  • S20.361A—

    Insect bite (nonvenomous) of right front wall of thorax, initial encounter

  • S20.361D—

    Insect bite (nonvenomous) of right front wall of thorax, subsequent encounter

  • S20.361S—

    Insect bite (nonvenomous) of right front wall of thorax, sequela

  • S20.362—

    Insect bite (nonvenomous) of left front wall of thorax

  • S20.362A—

    Insect bite (nonvenomous) of left front wall of thorax, initial encounter

  • S20.362D—

    Insect bite (nonvenomous) of left front wall of thorax, subsequent encounter

  • S20.362S—

    Insect bite (nonvenomous) of left front wall of thorax, sequela

  • S20.363—

    Insect bite (nonvenomous) of bilateral front wall of thorax

  • S20.363A—

    Insect bite (nonvenomous) of bilateral front wall of thorax, initial encounter

  • S20.363D—

    Insect bite (nonvenomous) of bilateral front wall of thorax, subsequent encounter

  • S20.363S—

    Insect bite (nonvenomous) of bilateral front wall of thorax, sequela

  • S20.364—

    Insect bite (nonvenomous) of middle front wall of thorax

  • S20.364A—

    Insect bite (nonvenomous) of middle front wall of thorax, initial encounter

  • S20.364D—

    Insect bite (nonvenomous) of middle front wall of thorax, subsequent encounter

  • S20.364S—

    Insect bite (nonvenomous) of middle front wall of thorax, sequela

  • S20.369—

    Insect bite (nonvenomous) of unspecified front wall of thorax

  • S20.369A—

    Insect bite (nonvenomous) of unspecified front wall of thorax, initial encounter

  • S20.369D—

    Insect bite (nonvenomous) of unspecified front wall of thorax, subsequent encounter

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